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https://issues.apache.org/jira/browse/CLEREZZA-347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hasan Hasan closed CLEREZZA-347.
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Resolution: Won't Fix
> Performance degradation after the firts million requests
> --------------------------------------------------------
>
> Key: CLEREZZA-347
> URL: https://issues.apache.org/jira/browse/CLEREZZA-347
> Project: Clerezza
> Issue Type: Bug
> Environment: java version "1.6.0_20"
> OpenJDK Runtime Environment (IcedTea6 1.9.1) (6b20-1.9.1-1ubuntu3)
> OpenJDK 64-Bit Server VM (build 17.0-b16, mixed mode)
> Reporter: Reto Gmür
> Priority: Major
>
> After installing the java-ssp-ttl prototype sample I do the following to
> measure performance
> for i in `seq 1000`; do echo round $i; ab -n 10000 -H "Accept:
> application/xhtml+xml" -c 100 -A admin:admin
> http://localhost:8080/greeting/list; done
> Depending on the heap settings of clerezza the performance starts degradating
> massively after a period of relative constant sped.
> Degradation starts at (> 10000000 = no degradation observed)
> -Xmx200m: > 10'000'000
> -Xmx600m: > 10'000'000
> -Xmx1g: 610'000
> -Xms1200: 750'000
> -Xmx2g: 1'300'000
> -Xmx3g: > 10'000'000
> no mx argument set (on a machine with 5964MB of ram): 970'000
> Repeated measurement with the same mx-value yield to almost identical results.
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